From 387db22fb347b1dfa8b4914a88ec254c8c6d5919 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Wed, 20 Sep 2023 15:59:28 -0700
Subject: [PATCH] test all backends

---
 build.zig    | 9 ++++++++-
 src/main.zig | 7 ++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/build.zig b/build.zig
index 5e0595221ab3cbfb04f4403800716d9161e2218b..8873db880ca772dd209fcb20bda1b0a4965498cf 100644
--- a/build.zig
+++ b/build.zig
@@ -6,11 +6,18 @@ pub fn build(b: *std.Build) void {
 
     const mod = b.addModule("tracer", .{ .source_file = .{ .path = "src/mod.zig" } });
 
+    addTest(b, target, mode, mod, 0);
+    addTest(b, target, mode, mod, 1);
+    addTest(b, target, mode, mod, 2);
+}
+
+fn addTest(b: *std.Build, target: std.zig.CrossTarget, mode: std.builtin.Mode, mod: *std.build.Module, comptime backend: u8) void {
     const options = b.addOptions();
     options.addOption(usize, "src_file_trimlen", std.fs.path.dirname(std.fs.path.dirname(@src().file).?).?.len);
+    options.addOption(u8, "backend", backend);
 
     const exe = b.addExecutable(.{
-        .name = "test",
+        .name = "test" ++ std.fmt.comptimePrint("{d}", .{backend}),
         .root_source_file = .{ .path = "src/main.zig" },
         .target = target,
         .optimize = mode,
diff --git a/src/main.zig b/src/main.zig
index b78557d482999d07cfc3395a35b688b97a75d644..6c8e7c9b6795607975c2c193029f0ad9db36d213 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -2,7 +2,12 @@ const std = @import("std");
 const tracer = @import("tracer");
 pub const build_options = @import("build_options");
 
-pub const tracer_impl = tracer.spall;
+pub const tracer_impl = switch (build_options.backend) {
+    0 => tracer.none,
+    1 => tracer.log,
+    2 => tracer.spall,
+    else => unreachable,
+};
 
 pub fn main() !void {
     try tracer.init();
-- 
2.54.0